A brutally hot American summer has people flocking to the cool comfort of public beaches. But there are five things you need to know before you put on your swimsuit, says Charles Passy on Lunch Break.

This transcript has been automatically generated and may not be 100% accurate.

... I ... it's like I'm Simon Constable it added to the beach this weekend thus things you need to know them now things like it and just won't tell you about the beach MarketWatch's tells Passi ... joins us now to explain show thanks Ming am ... slowly ... um ... it's the first one ... city beat receiving some right right right is the real pollution problem on peaches on and do something like twenty thousand ... of closings were advisory warnings ... on that are close to the beaches each year ... in the United States ... aam it's not that it's not really changed very much ... aam a lot of that because of the secrecy which run off um and you have this whole issue of people just dumping stuff on the beach and some like ... the Diva Global cleanup basically over short period time last year ... we'll cover a million of water pots on the cover like a hundred mattress style may deride it up people for trauma be just a new city and the baton so haven't been to China making known to that manages the mole people tonight aam lots of money you need a wheelbarrow full of money for parking right yet and you think ... the shoes you need is ... in charge for parking to offset the costs of the beaches and then some in some cases ... aam you're you're looking at dates on in Palm Beach of very nice town ... of five dollars an hour at the beach ... on the other communities it could be twenty dollars a day ... and these fees keep going up and up and up to here in York City you can take the subway ... just how to walk away it's time ... to time why does the boss ... after six on Sunday update crime ... crime is a problem right right right of the week we looked into two to one beach community Myrtle Beach huge huge and often are ... the building sales and I think this of the great southern beach on its the twenty first most dangerous city in America on huge crime Proms ... this is all over the place he even be considered for records say ... Clearwater Beach has a fairly good reputation ... huge flash of each plane with her ... beach blanket hurdler because I happened few years ago ... so um a lot of beaches Artie ... Lange kept ... rates yet tried this on to say yes to that adds ... up to one up on their shots to get you gel official stingrays right and all of its biggest shark attacks and they are on the runs that were the fifty three in the United States last year ... of the highest since two thousand ... when in fact the real promise jellyfish jellyfish or of London ... um because basically of global warming growing too much plant and into the jellyfish grow on ... the week ministers jellyfish from and you can die from the jellyfish that ... have kept one stocks like are you on your own vices best way to say when you're on a ... count data ... to do which is going on here one is the news values can find them the way they use to ... and secondly we often say we can find ... you no good swimmers that people ... who want the job they are actually having trouble finding life hard things and so on a lot of beaches are either being close to honor that is going on guard ... while to come find a monumental off a bomb employed through Idaho and swam thank you for much else Alessio to reset the Rafi five small things you done now by the beaches and you find on